IGCSE Physics

Appendix8.2 Symbols, units and definitions of physical quantitiesCandidates should be able to give the symbols for the following physical quantities and, where indicated,state the units in which they are measured. Candidates should be able to define the items indicated by anasterisk (*). The list for the Extended syllabus content includes both the Core and the Supplement.Candidates should be familiar with the following multipliers: M mega, k kilo, c centi, m milli:CoreSupplementQuantity Symbol Unit Quantity Symbol Unitlength l, h … km, m, cm, mmarea A m 2 , cm 2volume V m 3 , cm 3weight W N N*mass m, M kg, g mgtime t h, min, s msdensity* g / cm 3 , kg / m 3speed* u, v km / h, m / s, cm / sacceleration a acceleration* m / s 2acceleration offree fallgforce F, P … N force* N*moment of a force*work done W, E J, kJ, MJ work done by aforce*energy E J, kJ, MJ J*, kW h*power P W, kW, MW power* W*pressure p, P pressure* Pa*, N / m 2atmosphericpressureN mJ*millibar,mm HgCambridge IGCSE Physics 0625. Syllabus for examination in 2015.41